The “Overdrive” Mode in the “Complete Vocal Technique”: A Preliminary Study

"Complete Vocal Technique," or CVT, is an internationally widespread method for teaching voice. It classifies voicing into four types, referred to as "vocal modes," one of which is called "Overdrive." The physiological correlates of these types are unclear. This study presents an attempt to analyze its voice source and formant frequency characteristics. A male and a female expert of CVT sang a set of "Overdrive" and falsetto tones on the syllable /pᴂ/. The voice source could be analyzed by inverse filtering in the case of the male subject.

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